<?php
/**
 * Created by PhpStorm.
 * User: zing
 * Date: 2018/10/12
 * Time: 23:18
 */

$i = 0;
$str = '';
trait Test{};
print_r(get_defined_vars());
print_r(get_declared_classes());
print_r(get_defined_constants());
print_r(get_declared_interfaces());
print_r(get_declared_traits());